Kasper Peulen
Software Engineer at Chromatic (we're hiring!)
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolKasper Peulen is a frontend-focused software engineer with 12 years of experience building TypeScript and React applications, currently contributing to the Storybook team at Chromatic. He excels at introducing isolated component development and testing workflows—driving Storybook adoption at organizations like ING and bol.com to improve developer productivity and reliability. Kasper has a strong practical emphasis on sound TypeScript, API-driven development (OpenAPI/auto-generated clients), and pragmatic state management patterns inspired by Redux and Context. An active open-source contributor, he improved UX features in the well-known dart-pad online editor and built a viral mathematical webgame early in his career, reflecting a long-standing interest in interactive, educational tooling.
12 years of coding experience
8 years of employment as a software developer
Highschool, Highschool at Christelijk Gymnasium UtrechtBiomedical Sciences, General, Biomedical Sciences, General at University of GroningenMathematics, Mathematics at University of Amsterdam
English, Dutch
Github Skills (7)
css10
uid10
code-completion10
dart10
front-end-development10
ui-design10
html9
Programming languages (17)
Github contributions (5)
dart-lang/dart-pad
Mar 2015 - Feb 2016
An online Dart editor with support for console, web, and Flutter apps.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:136 commits, 98 PRs, 303 comments in 10 months
Contributions summary:Kasper primarily focused on enhancing the user interface and user experience of the DartPad online editor. They implemented features such as completion type information, parameter information popups, and quick fixes. The contributions also included styling improvements and adjustments to the layout of the documentation panel.
flutter-appsconsoledartweb-consoleflutter
kasperpeulen/dart-pad
Mar 2015 - Feb 2016
Contributions:3 PRs, 173 pushes, 192 branches in 10 months
flutterweb-baseddartui-client
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.